18398+0709 BRT 2178 CD
18h 39m 39.36s +07° 12' 54.4" P.A. 169.00 sep 5.2 mag 12.50,12.60
| Coord 2000 |
18398+0709 |
|
Discov num |
BRT2178 |
|
Comp |
CD |
|
Coord arcsec 2000 |
18 39 39.36 +07 12 54.4 |
|
| Date first |
1909 |
|
Date last |
1999 |
|
Obs |
2 |
|
| Pa first |
166 |
|
Pa last |
168.9 |
|
P.A. Now (θ) |
168.9° |
|
| Sep first |
4.6 |
|
Sep last |
5.24 |
|
Sep. Now (ρ) |
5.24" |
|
| Mag pri |
12.50 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
18398+0709 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 39 48 +07 09 15 |
SLE 1031 AB |
2015 |
12 |
299 |
12.2 |
11.40 |
11.56 |
0.16 |
|
|
| Show |
|
|
18 39 39 +07 12 54 |
BRT 2178 CD |
1999 |
2 |
169 |
5.2 |
12.50 |
12.60 |
0.10 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Gaia DR2 |
4286536004644623744 |
|
